Home / 15,726.24-23,603.94-7,940.52

Finding the Fourth Proportional to 15,726.24, 23,603.94 and 7,940.52

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Solution

The fourth proportional to 15,726.24, 23,603.94 and 7,940.52 is: 11,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726.24 : 23,603.94 = 7,940.52 : x
  2. Step 2: Convert to fraction form
    15,726.24/23,603.94 = 7,940.52/x
  3. Step 3: Cross multiply
    15,726.24x = 23,603.94 × 7,940.52
  4. Step 4: Simplify right side
    15,726.24x = 187,427,557.65
  5. Step 5: Solve for x
    x = 187,427,557.65/15,726.24
  6. Step 6: Final answer
    x = 11,918.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.